1 /* 2 * Copyright (c) 2009 NVIDIA Corporation 3 * 4 * See file CREDITS for list of people who contributed to this 5 * project. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License as 9 * published by the Free Software Foundation; either version 2 of 10 * the License, or (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 20 * MA 02111-1307 USA 21 */ 22 23 #include <common.h> 24 #include <usb.h> 25 26 #include "ehci.h" 27 #include "ehci-core.h" 28 29 #include <asm/errno.h> 30 #include <asm/arch/usb.h> 31 32 33 /* 34 * Create the appropriate control structures to manage 35 * a new EHCI host controller. 36 */ 37 int ehci_hcd_init(void) 38 { 39 u32 our_hccr, our_hcor; 40 41 /* 42 * Select the first port, as we don't have a way of selecting others 43 * yet 44 */ 45 if (tegrausb_start_port(0, &our_hccr, &our_hcor)) 46 return -1; 47 48 hccr = (struct ehci_hccr *)our_hccr; 49 hcor = (struct ehci_hcor *)our_hcor; 50 51 return 0; 52 } 53 54 /* 55 * Destroy the appropriate control structures corresponding 56 * the the EHCI host controller. 57 */ 58 int ehci_hcd_stop(void) 59 { 60 tegrausb_stop_port(); 61 return 0; 62 } 63